CN114865483B

CN114865483B - Power transformation box

Info

Publication number: CN114865483B
Application number: CN202210475579.1A
Authority: CN
Inventors: 陈雷; 廖建彪; 路坦; 李威; 郭茂冉; 丁树群; 李祥; 杨巍; 潘萍; 孟钟
Original assignee: State Grid Anhui Electric Power Co Ltd Guzhen County Power Supply Co
Current assignee: State Grid Anhui Electric Power Co Ltd Guzhen County Power Supply Co
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-11-04
Anticipated expiration: 2042-04-29
Also published as: CN114865483A

Abstract

The invention relates to the field of power transformation boxes, in particular to a power transformation box which comprises a box body, wherein a plurality of telescopic shock absorption supporting rods with a shock absorption effect are arranged at the top of the box body, a protection plate for preventing foreign matters from falling and protecting the box body is arranged at the top of each telescopic shock absorption supporting rod, and a shock absorption mechanism for absorbing shock when the protection plate is impacted by a falling object is arranged in a gap between the top of the box body and the protection plate; through damper, the use of flexible shock attenuation bracing piece cooperation backplate, receive the foreign matter at the box and fall from the high altitude, pound when to the box, fall the effort that produces to the foreign matter and reduce, slow down and offset, avoided the box to receive the direct striking of foreign matter to appear the problem of damage and violent shake, effectively protected the electronic component in the box, prevent because the electronic component in the box appears damaging, and lead to the building site construction to be obstructed, cause the condition of a large amount of economic losses to appear.

Description

Power transformation box

Technical Field

The invention relates to the field of power transformation boxes, in particular to a power transformation box.

Background

A power transformation box is a box body for transforming, concentrating and distributing voltage and current of electric energy in an electric power system. When the transformer case used in the building site, because the building site environment is complicated, the foreign matter falls from the high altitude easily and pounces to the condition of transformer case, and the electronic component of transformer incasement is comparatively accurate, pounces to the transformer case at the foreign matter, and the transformer case receives the foreign matter striking can produce violent vibrations and warp even, can lead to electronic component, the circuit damage of transformer incasement, not only can lead to the building site outage, influences the normal operation in building site, also has potential safety hazards such as great electric leakage moreover.

Disclosure of Invention

The invention aims to provide a power transformation box capable of protecting internal electronic elements when being impacted by falling foreign matters from high altitude.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: the utility model provides a transformer box, includes the box, the box top is provided with a plurality of flexible shock attenuation bracing pieces that have the cushioning effect, flexible shock attenuation bracing piece top is provided with the backplate that is used for preventing the foreign matter protection box that falls, clearance between box top and the backplate is provided with and is used for absorbing damper when the backplate receives the thing striking that weighs down.

Further, damper includes the flexible plenum chamber of ripple of centre gripping between box and backplate, flexible plenum chamber both sides bottom exhaust port department of ripple all is connected with the connecting pipe, flexible plenum chamber one side of ripple is kept away from to the connecting pipe is connected with the flexible bellows of shock attenuation that is used for slowing down the effort that the object produced when falling when aerifing the inflation.

Further, the box still is equipped with and is used for box ventilation cooling's ventilation mechanism, ventilation mechanism includes the ventilation groove, the ventilation groove is seted up on the lateral wall of box both sides, a plurality of oblique acanthus leaf that are used for reducing the dust and get into the ventilation inslot are arranged in the ventilation groove outside, the filter screen that prevents the dust and get into in the box is installed to the ventilation inslot side.

Further, be provided with reset spring in the flexible gas tank of ripple, flexible gas tank top air inlet department of ripple is provided with the check valve of admitting air, be provided with the check valve of ventilating in the connecting pipe, flexible ripple incasement of shock attenuation is provided with tension spring, flexible ripple incasement of shock attenuation bottom of the case portion exhaust port department is provided with the check valve of giving vent to anger, flexible ripple incasement exhaust port department of shock attenuation is connected with the soot blower mechanism who is used for blowing the deashing to the filter screen surface.

Furthermore, a connecting plate is arranged in the middle of the top of the guard plate, extends downwards along one side of the back of the box body, and is provided with a pedal at the end part.

Further, blow grey mechanism and include the air duct, the air duct is seted up in the box lateral wall, the flexible ripple case gas vent of shock attenuation is connected to air duct top air inlet, air duct bottom air outlet department be connected with be located filter screen side top with the unanimous calandria of filter screen length, just the air duct is unanimous with calandria length, calandria bottom evenly distributed has a plurality of blowing heads.

Furthermore, the bottom of the filter screen is provided with an ash discharge groove near one side of the inclined blade plate, the outlet of the ash discharge groove is positioned below the outer side of the upper ventilation groove on the side wall of the box body, and the bottom of the ash discharge groove is designed into an inclined plane with a high inner part and a low outer part.

Furthermore, a plurality of rubber anti-slip strips are arranged on the pedal plate.

Further, the air inlet of the damping telescopic corrugated box is larger than the air outlet.

The invention has the beneficial effects that:

according to the invention, through the use of the damping mechanism and the telescopic damping support rod in cooperation with the guard plate, when the box body is dropped from the high altitude by a foreign matter and is hit against the box body, the acting force generated by the falling of the foreign matter is reduced, slowed down and offset, the problems of damage and severe shaking caused by the direct impact of the foreign matter on the box body are avoided, the electronic elements in the box body are effectively protected, and the situation that the construction of a construction site is blocked and a large amount of economic loss is caused due to the damage of the electronic elements in the box body is prevented.

Drawings

In the drawings:

fig. 1 is a perspective view of a power transformation box according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a schematic view of a connection plate structure provided by the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is an enlarged partial view of FIG. 2 at D;

FIG. 7 is an enlarged view of a portion of FIG. 2 at E;

FIG. 8 is an enlarged partial view of FIG. 2 at F;

FIG. 9 is a schematic view of a filter and a nozzle structure according to the present invention.

Description of the reference numerals:

1. a box body; 2. a guard plate; 3. a telescopic shock-absorbing support rod; 4. a damping mechanism; 41. a corrugated telescopic inflation box; 411. a return spring; 412. an air inlet check valve; 42. a shock-absorbing telescopic bellows; 421. a tension spring; 422. an air outlet one-way valve; 43. a connecting pipe; 431. a venting check valve; 5. a ventilation mechanism; 51. A ventilation slot; 52. a pitched blade plate; 53. a filter screen; 6. a connecting plate; 61. a foot pedal; 62. rubber anti-slip strips; 7. a soot blowing mechanism; 71. a vent groove; 72. arranging pipes; 73. a blowing head; 8. and (4) ash discharge grooves.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, and it should be understood that the described examples are only a part of the examples of the invention, and not all of the examples. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back \8230;) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, "a plurality" means two or more. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the invention.

See fig. 1-7.

The invention discloses a power transformation box which comprises a box body 1, wherein a plurality of telescopic shock absorption support rods 3 with a shock absorption effect are arranged at the top of the box body 1, a protection plate 2 used for preventing foreign matters from falling and protecting the box body 1 is arranged at the top of each telescopic shock absorption support rod 3, and a shock absorption mechanism 4 used for absorbing shock when the protection plate 2 is impacted by falling objects is arranged in a gap between the top of the box body 1 and the protection plate 2.

In the concrete implementation, when having the foreign matter to fall from the high altitude and pound to box 1, at first fall on backplate 2, the power that the foreign matter falls from the high altitude drives flexible shock attenuation bracing piece 3 shrink backplate 2 downstream, and damper 4 carries out the shock attenuation operation when backplate 2 downstream simultaneously, and the effort that produces when preventing the foreign matter from falling from the high altitude influences the electronic component in the box 1, has avoided appearing by the condition that the thing that falls to lead to the electronic component damage in the box 1 of high altitude.

In one embodiment, the damping mechanism 4 comprises a corrugated expansion inflating box 41 clamped between the box body 1 and the guard plate 2, the air outlets at the bottoms of the two sides of the corrugated expansion inflating box 41 are both connected with a connecting pipe 43, and one side of the connecting pipe 43, which is far away from the corrugated expansion inflating box 41, is connected with a damping expansion corrugated box 42 for reducing the acting force generated when an object falls during inflation and expansion; the design like this, flexible ripple case 42 bottom of shock attenuation is located the top lateral wall of box 1, flexible ripple case 42 top of shock attenuation is located backplate 2 below, when moving down through 2 atresss on the backplate, it gets into flexible ripple case 42 of shock attenuation through connecting pipe 43 to drive the gas in the flexible bellows case 41 of ripple, flexible bellows case 41 of ripple slows down the effort that the foreign matter falls to flexible ripple case 42 of shock attenuation, flexible ripple case 42 of shock attenuation aerifys the inflation simultaneously and is produced ascending effort, fall decurrent effort with the foreign matter and offset, the influence of falling from the high altitude to electronic component in the box 1 has effectively been slowed down to the foreign matter.

In an embodiment, the box body 1 is further provided with a ventilation mechanism 5 for ventilating and radiating heat of the box body 1, the ventilation mechanism 5 comprises a ventilation groove 51, the ventilation groove 51 is formed in the side walls of two sides of the box body 1, a plurality of inclined blades 52 for reducing dust entering the ventilation groove 51 are arranged outside the ventilation groove 51, and a filter screen 53 for preventing dust entering the box body 1 is arranged inside the ventilation groove 51; due to the design, the dust is more when the device is used on a workplace, and due to the use of the inclined blade plates 52 and the filter screen 53, the dust can be effectively reduced from entering the box body 1 through the ventilating grooves 51, and the situation that the electronic elements are high in temperature, damaged and the like due to the fact that the excessive dust in the box body 1 is adhered to the electronic elements is prevented.

In one embodiment, a return spring 411 is arranged in the corrugated expansion inflating tank 41, an air inlet one-way valve 412 is arranged at an air inlet at the top of the corrugated expansion inflating tank 41, an air vent one-way valve 431 is arranged in the connecting pipe 43, a tension spring 421 is arranged in the shock absorption expansion bellows 42, an air outlet one-way valve 422 is arranged at an air outlet at the bottom of the shock absorption expansion bellows 42, and an ash blowing mechanism 7 for blowing air to clean the outer surface of the filter screen 53 is connected at the air outlet of the shock absorption expansion bellows 42; the design is as follows, make flexible plenum box 41 of ripple after the shrink, can upwards extend through reset spring 411 and reset, be convenient for carry out next duty cycle, and the use of check valve 412 of admitting air, make flexible plenum box 41 air inlet of ripple only can admit air, the carminative condition of air inlet appears when flexible plenum box 41 of ripple can not appear, be provided with the check valve 431 of ventilating in the connecting pipe 43 and be used for making the gas in the connecting pipe 43, only can follow flexible plenum box 41 of ripple and move to the flexible ripple case 42 of shock attenuation, the condition of gas refluence can not appear, be provided with tension spring 421 in the flexible ripple case 42 of shock attenuation, when being used for flexible plenum box 41 of ripple to stop aerifing flexible ripple case 42 of shock attenuation, exhaust through tension spring 421 shrink, give vent to anger check valve 422 and be used for flexible ripple case 42 of shock attenuation when blowing mechanism 7 exhausts, the condition that the gas refluence can not appear, gas only can unidirectional movement.

In one embodiment, a connecting plate 6 is arranged in the middle of the top of the guard plate 2, the connecting plate 6 extends downwards along one side of the back of the box body 1, and a pedal 61 is arranged at the end part; design like this, because the dust is more on the building site, and a large amount of dusts easily adhere on filter screen 53, and lead to the electronic component heat dissipation in the box 1 to break down, the condition that leads to the damage appears, thereby need clear up the dust on filter screen 53 surface, when needing to use soot blowing mechanism 7 to carry out the deashing operation to filter screen 53 surface, step on running-board 61 through the operation personnel, it moves down to drive backplate 2 through connecting plate 6, the flexible bellows 41 shrink of ripple is gaseous gets into the flexible ripple case 42 of shock attenuation in, the flexible ripple case 42 of shock attenuation internal gas gets into soot blowing mechanism 7 and carries out the deashing operation to filter screen 53 surface.

In one embodiment, the soot blowing mechanism 7 includes a vent groove 71, the vent groove 71 is opened in the side wall of the box body 1, an air inlet at the top of the vent groove 71 is connected with an air outlet of the shock absorption telescopic bellows 42, an air outlet at the bottom of the vent groove 71 is connected with a discharge pipe 72 which is positioned above the filter screen 53 and has the same length as the filter screen 53, the vent groove 71 and the discharge pipe 72 have the same length, and a plurality of blowing heads 73 are uniformly distributed at the bottom of the discharge pipe 72; design like this, make the air duct 71 great to the discharge of air of calandria 72, again by blow head 73 spun design, can increase blow head 73's velocity of flow, improve the soot blowing effect, the gas of flexible bellows 42 of shock attenuation passes through air duct 71 and moves to calandria 72 department, and blow out through blow head 73 and carry out the deashing operation to the filter screen 53 surface, and calandria 72 cover is equipped with the guide cover that blows that is used for guiding the blow head direction of blowing, the guide cover that blows guides the gas that blow head 73 blew to filter screen 53 one side slope.

In one embodiment, an ash discharge groove 8 is arranged at one side of the bottom of the filter screen 53 close to the inclined blade plate 52, an outlet of the ash discharge groove 8 is positioned below the outer side of the ventilation groove 51 on the side wall of the box body 1, and the bottom of the ash discharge groove 8 is in an inclined plane design with a high inside and a low outside; the design is such that the dust blown off from the filter screen 53 by the blowing head 73 can be discharged through the dust discharging groove 8.

In one embodiment, a plurality of rubber anti-slip strips 62 are arranged on the pedal 61; due to the design, when the operator steps on the pedal 61, the situation that the operator falls down due to the fact that the surface of the pedal 61 is slippery under the conditions of rain and the like is avoided.

In one embodiment, the damper bellows 42 has a larger air inlet than air outlet; design like this for fall at the foreign matter and pound when smashing backplate 2, flexible ripple case 42 of shock attenuation can expand rapidly through flexible gas charging box 41 of ripple, offsets the decurrent effort of foreign matter, and the interior gaseous speed of being greater than the speed of admitting air by gas outlet exhaust of flexible ripple case 42 of shock attenuation can not appear, and leads to flexible gas charging box 41 of ripple not can expand rapidly and appear the circumstances that offsets the decurrent effort of foreign matter.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention.

Claims

1. A transformer case, its characterized in that includes: the box body (1), a plurality of telescopic shock absorption support rods (3) with shock absorption effects are arranged at the top of the box body (1), a protection plate (2) used for preventing foreign matters from falling off and protecting the box body (1) is arranged at the top of each telescopic shock absorption support rod (3), and a shock absorption mechanism (4) used for absorbing shock when the protection plate (2) is impacted by falling objects is arranged in a gap between the top of the box body (1) and the protection plate (2);

the damping mechanism (4) comprises a corrugated telescopic inflation box (41) clamped between the box body (1) and the guard plate (2), connecting pipes (43) are connected to exhaust ports at the bottoms of two sides of the corrugated telescopic inflation box (41), and one side, away from the corrugated telescopic inflation box (41), of each connecting pipe (43) is connected with a damping telescopic corrugated box (42) used for reducing acting force generated when an object falls during inflation and expansion;

be provided with reset spring (411) in flexible plenum box of ripple (41), flexible plenum box of ripple (41) top air inlet department is provided with air inlet check valve (412), be provided with check valve (431) of ventilating in connecting pipe (43), be provided with tension spring (421) in flexible bellows box of shock attenuation (42), flexible bellows box of shock attenuation (42) bottom exhaust port department is provided with air outlet check valve (422), flexible bellows box of shock attenuation (42) exhaust port department is connected with and is used for blowing soot blowing mechanism (7) of deashing to filter screen (53) surface.

2. The power transformation box according to claim 1, characterized in that the box body (1) is further provided with a ventilation mechanism (5) for ventilating and radiating the box body (1), the ventilation mechanism (5) comprises a ventilation groove (51), the ventilation groove (51) is formed in the side walls of the two sides of the box body (1), a plurality of inclined blade plates (52) used for reducing dust entering the ventilation groove (51) are arranged on the outer side of the ventilation groove (51), and a filter screen (53) used for preventing the dust from entering the box body (1) is installed on the inner side of the ventilation groove (51).

3. A transformation box according to claim 2, characterized in that the guard plate (2) is provided with a connecting plate (6) at the top middle part, the connecting plate (6) extends downwards along the back side of the box body (1) and is provided with a foot pedal (61) at the end part.

4. The power transformation box according to claim 3, characterized in that the soot blowing mechanism (7) comprises an air duct (71), the air duct (71) is arranged in the side wall of the box body (1), an air inlet at the top of the air duct (71) is connected with an air outlet of the shock absorption telescopic corrugated box (42), an air outlet at the bottom of the air duct (71) is connected with a discharge pipe (72) which is positioned above the side of the filter screen (53) and has the same length as the filter screen (53), the air duct (71) has the same length as the discharge pipe (72), and a plurality of blowing heads (73) are uniformly distributed at the bottom of the discharge pipe (72).

5. The power transformation box according to claim 4, characterized in that an ash discharge groove (8) is arranged at one side of the bottom of the filter screen (53) close to the inclined blade plate (52), the outlet of the ash discharge groove (8) is positioned below the outer side of the ventilation groove (51) on the side wall of the box body (1), and the bottom of the ash discharge groove (8) is in an inclined plane design with a high inside and a low outside.

6. The substation according to claim 5, characterized in that a plurality of rubber cleats (62) are provided on the footboard (61).

7. A substation box according to claim 4, characterized in that the shock absorbing bellows box (42) air inlet is larger than air outlet.